Finding the Fourth Proportional to 168,936.28, 233,134.14 and 93,491.80
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Solution
The fourth proportional to 168,936.28, 233,134.14 and 93,491.80 is: 129,019.83
Step by Step Solution
- Step 1: Write the proportion equation
168,936.28 : 233,134.14 = 93,491.80 : x - Step 2: Convert to fraction form
168,936.28/233,134.14 = 93,491.80/x - Step 3: Cross multiply
168,936.28x = 233,134.14 × 93,491.80 - Step 4: Simplify right side
168,936.28x = 21,796,130,390.05 - Step 5: Solve for x
x = 21,796,130,390.05/168,936.28 - Step 6: Final answer
x = 129,019.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.